Home / 95,539.80-143,112.72-55,977

Finding the Fourth Proportional to 95,539.80, 143,112.72 and 55,977

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Solution

The fourth proportional to 95,539.80, 143,112.72 and 55,977 is: 83,850.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,539.80 : 143,112.72 = 55,977 : x
  2. Step 2: Convert to fraction form
    95,539.80/143,112.72 = 55,977/x
  3. Step 3: Cross multiply
    95,539.80x = 143,112.72 × 55,977
  4. Step 4: Simplify right side
    95,539.80x = 8,011,020,727.44
  5. Step 5: Solve for x
    x = 8,011,020,727.44/95,539.80
  6. Step 6: Final answer
    x = 83,850.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.